In comparison, the 7.62mm (.308) NATO round, a 148gr grain bullet delivers 2,486 ft.lbs of energy.
This is what makes a bear shit in the woods.
It would make me shit in Starbucks during the noon rush hour.
And here it is again.
I haven't seen flames that big coming out of an opening that small since little Tommy Flavin lit a bare assed fart at Boy Scout camp after bean burrito night and fried his butthole.